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Finding the Fourth Proportional to 806,350.80, 1,209,007.80 and 333,224.40

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Solution

The fourth proportional to 806,350.80, 1,209,007.80 and 333,224.40 is: 499,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,350.80 : 1,209,007.80 = 333,224.40 : x
  2. Step 2: Convert to fraction form
    806,350.80/1,209,007.80 = 333,224.40/x
  3. Step 3: Cross multiply
    806,350.80x = 1,209,007.80 × 333,224.40
  4. Step 4: Simplify right side
    806,350.80x = 402,870,898,750.32
  5. Step 5: Solve for x
    x = 402,870,898,750.32/806,350.80
  6. Step 6: Final answer
    x = 499,622.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.